Engine exhaust purifier-muffler
Patent
·
OSTI ID:7237449
An engine purifier-muffler is described comprising a box type body, a cylindrical filter connected to the exhaust pipe of engine located at rear bottom corner inside the box, a plurality of perforated plate filter elements stepwisely disposed inside the box to reach toward the top, under the ceiling, a filter of square cross section further provided, after the said filter, and an outlet section provided to connect to an outlet pipe. Porous plastic material such as polyurethane foam is used as filter medium in all the abovesaid filters. Water is half filled within the box. The box is also provided with a water inlet, an overflow opening and a drain for discharging the water. Waste gas that is passed through the water and filter elements and is discharged from the outlet contains much less hazardous components.
- Assignee:
- TIC; EDB-77-036506; ERA-02-020432
- Patent Number(s):
- US 3984219
- OSTI ID:
- 7237449
- Country of Publication:
- United States
- Language:
- English
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